﻿// --------------------------------------------------------------------------------------------------------------------
// <copyright file="DeleteRoleCommand.cs" company="Devbridge Group LLC">
// 
// Copyright (C) 2015,2016 Devbridge Group LLC
// 
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
// 
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.
// 
// You should have received a copy of the GNU Lesser General Public License
// along with this program.  If not, see http://www.gnu.org/licenses/. 
// </copyright>
// 
// <summary>
// Better CMS is a publishing focused and developer friendly .NET open source CMS.
// 
// Website: https://www.bettercms.com 
// GitHub: https://github.com/devbridge/bettercms
// Email: info@bettercms.com
// </summary>
// --------------------------------------------------------------------------------------------------------------------
using BetterCms.Module.Root.Mvc;
using BetterCms.Module.Users.Services;

using BetterModules.Core.Web.Mvc.Commands;

namespace BetterCms.Module.Users.Commands.Role.DeleteRole
{
    /// <summary>
    /// A command to delete given role.
    /// </summary>
    public class DeleteRoleCommand : CommandBase, ICommand<DeleteRoleCommandRequest, bool>
    {
        /// <summary>
        /// The role service
        /// </summary>
        private readonly IRoleService roleService;

        /// <summary>
        /// Initializes a new instance of the <see cref="DeleteRoleCommand" /> class.
        /// </summary>
        /// <param name="roleService">The role service.</param>
        public DeleteRoleCommand(IRoleService roleService)
        {
            this.roleService = roleService;
        }

        /// <summary>
        /// Executes this command.
        /// </summary>
        /// <param name="request">The request.</param>
        /// <returns>Executed command result.</returns>
        public bool Execute(DeleteRoleCommandRequest request)
        {
            UnitOfWork.BeginTransaction();
            var role = roleService.DeleteRole(request.RoleId, request.Version, false);
            UnitOfWork.Commit();

            // Notify.
            Events.UserEvents.Instance.OnRoleDeleted(role);

            return true;
        }
    }
}
